Prehistory is considered what time period? Before World War I Before the ancient Greeks Before writing Before humans

-Prehistory is considered the time period before writing.

Prehistory is, according to the classical definition, the period of time elapsed since the appearance of the first hominins, ancestors of Homo sapiens, until we have proof of the existence of written documents, something that occurred first in the Near East towards the 3300 BC, and later in the rest of the planet.

Pre-History is considered to be "Before Writing"